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Quiz Hard 2

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Quiz Hard 2

1 / 30

Which of the following techniques involves the bonding of hydrophobic functional groups to solid particle, surface and acts as extracting phase?

2 / 30

whic one of following is non-reducing disaccharide

3 / 30

Which of the following techniques involves the distribution of solute between two immiscible liquid phases?

4 / 30

α-amino acids when heated alone form

5 / 30

Dry distillation of amino acids with barium hydroxide yeilds

6 / 30

The correct order of reactivity among: 1 (atomic hydrogen); II (Dihydrogen) and III (Nascent hydrogen)

7 / 30

A catalyst

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Oxygen and sulphur exist in state

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. Low-quality steels with an M suffix on the designation intended for non-structural application is classified as

10 / 30

Which is true for DDT? It is

11 / 30

The first ionisation energies of the elements of the first transition series (Ti Cu)

12 / 30

In each period, the most electropositive element belongs to group

13 / 30

Trypsim , is an enzyme which

14 / 30

Which of the following detector is used in HPLC system?

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Which of the following disaccharide is non reducing sugar

16 / 30

Electronagitivity of oxygen is

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Beryllium shows diagonal relationship with

18 / 30

The plate height is the length of the column divide by

19 / 30

which of the following element have highest density?

20 / 30

Helium is used in weather balloons and airships instead of H2, because it is

21 / 30

Potassium sulphate with 48% to 52% potash, is made from

22 / 30

Drying agent which react with CO2 and removes water vapours is

23 / 30

What is the advantage of quench hardening?

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Which of the following techniques is used to reduce the need for large volumes of organic solvents?

25 / 30

Which of the following elements with excess oxygen to form peroxides ?

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The science of all the relations of all the organisms to their environment is called

27 / 30

What is the purpose of molybdenum in steel alloying?

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Oxidative enzymes are responsible for

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An acid-base titration involves a neutralization reaction in which an acid is reacted with an equivalent amount of base.The titrant is always a strong acid or base.The analyte may be

30 / 30

when calcium is heated in the flame of a bunse nburner, the colour imparted to be flame is

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